. >> we are concerned about recent events involving boeing 787. >> a boeing 787 taxiing toward the gate this morning. the flight unaffected by the rash of mechanical failures it's endured. hours earlier in washington, d.c., major announcement. >> we are conducting a comprehensive review of the design and production of the boeing 787. this review will cover the critical systems of the aircraft including design, manufacturerring and assembly. >> the review triggered by series of recent electrical problems. the most serious in boston monday when a battery overheated and caught fire. after a flight from japan. >> the fuel efficient dreamliner generates much more power on board than any other passenger jet. and is the first to rely on rechargeable lithium batteries for auxiliary power. they will examine the entire electrical system. and the jets will continue to fly in the review. >> nothing in data we have seen to suggest that the airplane is not safe. what we want to ensure is what we have is a comprehensive look at the in-service issue we have seen. >> stakes are high for the seattle base